ActivitySelectionChangedEvent e = new ActivitySelectionChangedEvent( this, selection); // Guaranteed to return a non-null array Object[] listeners = listenerList.getListenerList(); // Process the listeners last to first, notifying // those that are interested in this event for (int i = listeners.length - 2; i >= 0; i -= 2) { if (listeners[i] == IActivitySelectionChangedListener.class) { ((IActivitySelectionChangedListener) listeners[i + 1]) .selectionChanged(e); } }
IContextEvent e = new ContextEvent(this, value); // Guaranteed to return a non-null array Object[] listeners = listenerList.getListenerList(); // Process the listeners last to first, notifying // those that are interested in this event for (int i = listeners.length - 2; i >= 0; i -= 2) { if (listeners[i] == IContextListener.class) { ((IContextListener) listeners[i + 1]).contextChanged(e); } }
Clone fragments detected by clone detection tool
File path: /columba-1.4-src/calendar/src/main/java/org/columba/calendar/ui/calendar/MainCalendarController.java File path: /columba-1.4-src/core/src/main/java/org/columba/core/context/semantic/SemanticContext.java
Method name: void fireSelectionChanged(IActivity[]) Method name: void fireContextChangedEvent(IStructureValue)
Number of AST nodes: 5 Number of AST nodes: 5
1
ActivitySelectionChangedEvent e = new ActivitySelectionChangedEvent(
1
IContextEvent e = new ContextEvent(
2
				this, selection);
2
this, value);
3
		// Guaranteed to return a non-null array
3
		// Guaranteed to return a non-null array
4
		Object[] listeners = listenerList.getListenerList();
4
		Object[] listeners = listenerList.getListenerList();
5
		// Process the listeners last to first, notifying
5
		// Process the listeners last to first, notifying
6
		// those that are interested in this event
6
		// those that are interested in this event
7
		for (int i = listeners.length - 2; i >= 0; i -= 2) {
7
		for (int i = listeners.length - 2; i >= 0; i -= 2) {
8
			if (listeners[i] == IActivitySelectionChangedListener.class) {
8
			if (listeners[i] == IContextListener.class) {
9
				((IActivitySelectionChangedListener) listeners[i + 1])
9
				((IContextListener) listeners[i + 1])
10
						.selectionChanged(e);
10
.contextChanged(e);
11
			}
11
			}
12
		}
12
		}
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.6
Clones locationClones are in different classes
Number of node comparisons9
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)1.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                    
    1
    IContextEvent e = new ContextEvent(this, value);
    Preondition Violations
    Unmatched statement IContextEvent e=new ContextEvent(this,value); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    IContextEvent e = new ContextEvent(this, value);
    1
    ActivitySelectionChangedEvent e = new ActivitySelectionChangedEvent(this, selection);
    1
    ActivitySelectionChangedEvent e = new ActivitySelectionChangedEvent(this, selection);
    Preondition Violations
    Unmatched statement ActivitySelectionChangedEvent e=new ActivitySelectionChangedEvent(this,selection); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                                                                                              
    2
    Object[] listeners = listenerList.getListenerList();
    2
    Object[] listeners = listenerList.getListenerList();
    3
    for (int i = listeners.length - 2; i >= 0; i -= 2)
    3
    for (int i = listeners.length - 2; i >= 0; i -= 2)
    4
    if (listeners[i] == IActivitySelectionChangedListener.class)
    4
    if (listeners[i] == IActivitySelectionChangedListener.class)
    4
    if (listeners[i] == IContextListener.class)
    Differences
    Expression1Expression2Difference
    IActivitySelectionChangedListener.classIContextListener.classLITERAL_VALUE_MISMATCH
    4
    if (listeners[i] == IContextListener.class)
    5
    ((IActivitySelectionChangedListener)listeners[i + 1]).selectionChanged(e);
    5
    ((IActivitySelectionChangedListener)listeners[i + 1]).selectionChanged(e);
    5
    ((IContextListener)listeners[i + 1]).contextChanged(e);
    Differences
    Expression1Expression2Difference
    org.columba.calendar.ui.calendar.api.ActivitySelectionChangedEventorg.columba.core.context.semantic.api.IContextEventVARIABLE_TYPE_MISMATCH
    selectionChangedcontextChangedMETHOD_INVOCATION_NAME_MISMATCH
    org.columba.calendar.ui.calendar.api.IActivitySelectionChangedListenerorg.columba.core.context.semantic.api.IContextListenerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.columba.calendar.ui.calendar.api.ActivitySelectionChangedEvent of variable e does not match with type org.columba.core.context.semantic.api.IContextEvent of variable e
    • Make classes org.columba.calendar.ui.calendar.api.ActivitySelectionChangedEvent and org.columba.core.context.semantic.api.IContextEvent extend a common superclass
    Expression ((IActivitySelectionChangedListener)listeners[i + 1]).selectionChanged(e) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression ((IContextListener)listeners[i + 1]).contextChanged(e) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression ((IActivitySelectionChangedListener)listeners[i + 1]).selectionChanged(e) is a void method call, and thus it cannot be parameterized
    Expression ((IContextListener)listeners[i + 1]).contextChanged(e) is a void method call, and thus it cannot be parameterized
    Expression (IActivitySelectionChangedListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (IContextListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Type org.columba.calendar.ui.calendar.api.IActivitySelectionChangedListener does not match with type org.columba.core.context.semantic.api.IContextListener
    • Make classes org.columba.calendar.ui.calendar.api.IActivitySelectionChangedListener and org.columba.core.context.semantic.api.IContextListener extend a common superclass
    5
    ((IContextListener)listeners[i + 1]).contextChanged(e);
    Precondition Violations (11)
    Row Violation
    1Unmatched statement IContextEvent e=new ContextEvent(this,value); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement ActivitySelectionChangedEvent e=new ActivitySelectionChangedEvent(this,selection); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Type org.columba.calendar.ui.calendar.api.ActivitySelectionChangedEvent of variable e does not match with type org.columba.core.context.semantic.api.IContextEvent of variable e
    4Expression ((IActivitySelectionChangedListener)listeners[i + 1]).selectionChanged(e) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression ((IContextListener)listeners[i + 1]).contextChanged(e) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression ((IActivitySelectionChangedListener)listeners[i + 1]).selectionChanged(e) is a void method call, and thus it cannot be parameterized
    7Expression ((IContextListener)listeners[i + 1]).contextChanged(e) is a void method call, and thus it cannot be parameterized
    8Expression (IActivitySelectionChangedListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression (IContextListener)listeners[i + 1] cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Type org.columba.calendar.ui.calendar.api.IActivitySelectionChangedListener does not match with type org.columba.core.context.semantic.api.IContextListener
    11The refactoring of the clones is infeasible, because classes org.columba.calendar.ui.calendar.MainCalendarController and org.columba.core.context.semantic.SemanticContext do not have a common superclass